linux-kernel - Re: [PATCH 1/4] x86: Add UV EFI table entry v2

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Date:	Sat, 27 Sep 2008 09:23:39 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Russ Anderson <rja@....com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	"H. Peter Anvin" <hpa@...or.com>, Jack Steiner <steiner@....com>
Subject: Re: [PATCH 1/4] x86: Add UV EFI table entry v2

On Fri, 2008-09-26 at 15:02 -0500, Russ Anderson wrote:
> [PATCH 1/4] Add UV EFI table entry
> 
> Look for a UV entry in the EFI tables.
> 
> Signed-off-by: Russ Anderson <rja@....com>
> Signed-off-by: Paul Jackson <pj@....com>

Acked-by: Huang Ying <ying.huang@...el.com>

Best Regards,
Huang Ying

> ---
>  arch/x86/kernel/efi.c |    4 ++++
>  include/linux/efi.h   |    4 ++++
>  2 files changed, 8 insertions(+)
> 
> Index: linux/arch/x86/kernel/efi.c
> ===================================================================
> --- linux.orig/arch/x86/kernel/efi.c	2008-09-26 13:54:11.000000000 -0500
> +++ linux/arch/x86/kernel/efi.c	2008-09-26 13:54:18.000000000 -0500
> @@ -367,6 +367,10 @@ void __init efi_init(void)
>  			efi.smbios = config_tables[i].table;
>  			printk(" SMBIOS=0x%lx ", config_tables[i].table);
>  		} else if (!efi_guidcmp(config_tables[i].guid,
> +					UV_SYSTEM_TABLE_GUID)) {
> +			efi.uv_systab = config_tables[i].table;
> +			printk(" UVsystab=0x%lx ", config_tables[i].table);
> +		} else if (!efi_guidcmp(config_tables[i].guid,
>  					HCDP_TABLE_GUID)) {
>  			efi.hcdp = config_tables[i].table;
>  			printk(" HCDP=0x%lx ", config_tables[i].table);
> Index: linux/include/linux/efi.h
> ===================================================================
> --- linux.orig/include/linux/efi.h	2008-09-26 13:54:11.000000000 -0500
> +++ linux/include/linux/efi.h	2008-09-26 13:54:18.000000000 -0500
> @@ -208,6 +208,9 @@ typedef efi_status_t efi_set_virtual_add
>  #define EFI_GLOBAL_VARIABLE_GUID \
>      EFI_GUID(  0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c )
>  
> +#define UV_SYSTEM_TABLE_GUID \
> +    EFI_GUID(  0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
> +
>  typedef struct {
>  	efi_guid_t guid;
>  	unsigned long table;
> @@ -255,6 +258,7 @@ extern struct efi {
>  	unsigned long boot_info;	/* boot info table */
>  	unsigned long hcdp;		/* HCDP table */
>  	unsigned long uga;		/* UGA table */
> +	unsigned long uv_systab;	/* UV system table */
>  	efi_get_time_t *get_time;
>  	efi_set_time_t *set_time;
>  	efi_get_wakeup_time_t *get_wakeup_time;

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